Trolley



FIG. 1 is a top, front, right perspective view of a trolley in an open configuration showing my new design;

FIG. 2 is a top, front, right perspective view of the trolley in a closed configuration;

FIG. 3 is a front view thereof;

FIG. 4 is a left side elevational view thereof; and,

FIG. 5 is a top plan view thereof.

The broken lines shown in the figures are included for the purpose of illustrating environment which forms no part of the claimed design. 

CLAIM The ornamental design for a trolley, as shown and described. 